| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must be [prep] | 30 |
|
| 2 | you must be [prep] | 30 |
|
| 3 | you must be in | 12 |
|
| 4 | you must be in | 12 |
|
| 5 | you must be on | 5 |
|
| 6 | you must be on | 5 |
|
